venkatasai-kadamati / customtomcat_learn_docker

## Tomcat Dockerfile

This Dockerfile builds an image for Apache Tomcat based on CentOS 7.

### Prerequisites

-   Docker installed and configured on your system.

### Building the Image

1. Navigate to the directory containing the Dockerfile.
2. Run the following command to build the image:

    ```bash
    docker build -t custom-tomcat-image:latest .
    ```

**Use code with caution.**

### Running the Container

Start a container from the image:

```bash
docker run -d -p 8080:8080 --name my-tomcat-server custom-tomcat-image:latest
```

Use code with caution.

This maps port 8080 on your host machine to port 8080 within the container.

Accessing the Tomcat Server

Open a web browser and navigate to http://localhost:8080.

Customizing the Image

You can customize this Dockerfile by changing the tomcat_version ARG to specify a different Tomcat version.

Explanation of Dockerfile

• FROM centos:7: Specifies the base image for your container.
• Installs required dependencies and Java.
• Downloads and extracts Apache Tomcat.
• Sets permissions and ownership for Tomcat directories.
• Downloads a sample WAR file for deployment.
• Exposes port 8080.
• Starts Tomcat using catalina.sh.

This README provides instructions for building and running the custom Tomcat Docker image, along with explanations of the Dockerfile's commands.